Industry, differs from diligence, [148].

Infants, the management of them, [380].
Why they ought to be talked to, [381], [390].
Imagine every thing to think and feel, [409].
This folly humoured in them, [410].
Their crying given them to move pity, [467].
Vent their anger by instinct, [473].

Innes, the Rev. Dr. quoted, [276].
His sentiments on charity, [277].

Innocence, state of, described, [220].
Prejudicial to society, [221].

Insects, would overrun the earth in two years time if none were destroyed, [439].

Interest teaches men the use of their limbs, [360].
Savages to love and infants to suck, neither of them thinking on the design of nature, [422].
All men are born with an instinct of sovereignty, [456], [457].

Invention, of ships, [361], [362].
What sort of people are best at invention, [363].
No stability in the works of human invention, [394].

Invisible Cause, an, how savages come to fear it, [408].
The perplexity it gives to men ignorant of the true Deity, [411], [412].
The wildest parents would communicate the fear of it to their children, [412].
The consequence of different opinions about it, [413], [414].

Jealousy, a compound, [78].
No jealousy without love, [82].

Jews, knew truths which the politest nations were ignorant of, 1500 years after, [421].